DrZuck Wants to Study the Effectiveness of a Particular Type

Essay

Dr.Zuck wants to study the effectiveness of a particular type of back brace on patients suffering from scoliosis (curvature of the spine).He wants to locate and test the largest possible number of patients.He has obtained a grant for one million dollars and estimates the cost of locating and recruiting a patient to be $5,000.Half of the patients drop out of the study.There are two types of patients.Type A must constitute at least 50% of the study.